HIMA H4135 992413502 Triple Redundancy (TMR) Digital Input Module
Specific Parameters
Electrical Parameters
Operating Voltage Dual 24VDC redundant power supply, input range 18-32VDCInput Channels 16 independent digital input channels, triple redundancy isolation between channelsInput Signal Types Dry contact signals, opto-isolated input signals (PNP/NPN compatible)Isolation Level Electrical isolation between channels and between channels and system, isolation voltage 1500V ACInput Current Typical 7mA per channel, maximum 10mAResponse Time Signal input response time ≤1msCommunication Protocol Compatible with HIMA HIMax redundant communication bus protocolProtection Features Built-in overvoltage protection, short circuit protection, reverse polarity protection, electromagnetic shielding protectionSafety Level Complies with IEC 61508 standard, achieving SIL 3 Safety Integrity LevelCertification Standards Compliant with IEC 61508, IEC 61511, UL 1998, ATEX, IECEX, GOST certification standards
Mechanical Parameters
Overall Dimensions 84mm×110mm×40mm, compact structure suitable for HIMax standard racksWeight Approximately 0.4kg, lightweight design facilitating module expansion and deploymentMounting Method 35mm DIN rail mounting or HIMax system rack mounting, compatible with standard industrial control cabinetsHousing Material Industrial-grade high-strength metal shell with electromagnetic shielding and impact resistanceConnection Method Plug-in backplane connector + spring-loaded terminals, compatible with 0.5-1.5mm² shielded cablesProtection Rating IP20, suitable for indoor industrial control cabinet environmentsStatus Indication Each channel is equipped with operation/fault LED indicator, module-level power and system status LED lights
Environmental Parameters
Operating Temperature -20℃ to 60℃, no performance derating over the entire temperature rangeStorage Temperature -40℃ to 85℃, meeting extreme storage and transportation requirementsRelative Humidity 5% to 95% (non-condensing), suitable for high-humidity industrial scenariosVibration Resistance Complies with IEC 60068-2-6 standard, 2g acceleration at 5Hz-500Hz frequency rangeShock Resistance Complies with IEC 60068-2-27 standard, 15g acceleration (11ms duration)EMC Compliance Complies with EN 55014-1, EN 55014-2 standards, meeting anti-external electromagnetic interference requirements
Product Performance
Reliable redundant architecture: TMR triple modular collection design + independent voting logic, eliminating single-point failure in digital signal collectionExcellent safety level: SIL 3 certification meets safety requirements of high-risk scenarios, with short mean time to repairThorough channel isolation: 1500V AC electrical isolation eliminates inter-channel crosstalk and voltage impact, ensuring signal purityFast response speed: ≤1ms signal response time adapts to rapid execution needs of safety interlock logicComprehensive diagnostic capability: Real-time monitoring of channel open circuit, short circuit, and signal abnormal faults, diagnostic coverage ≥99.9%Wide signal compatibility: Supports dry contact and opto-isolated multi-type inputs, seamlessly compatible with various industrial sensorsConvenient installation and expansion: Modular design + hot-swap function supports online module replacement without affecting system operationStrong system adaptability: Perfectly compatible with HIMA HIMax safety controllers, supporting multi-module parallel expansionHigh operational stability: Industrial-grade metal shell and multiple electrical protections, Mean Time Between Failures (MTBF) ≥1,000,000 hours
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